Home / 218,351,686.10-327,640,883.10-89,054,155.22

Finding the Fourth Proportional to 218,351,686.10, 327,640,883.10 and 89,054,155.22

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Solution

The fourth proportional to 218,351,686.10, 327,640,883.10 and 89,054,155.22 is: 133,627,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,351,686.10 : 327,640,883.10 = 89,054,155.22 : x
  2. Step 2: Convert to fraction form
    218,351,686.10/327,640,883.10 = 89,054,155.22/x
  3. Step 3: Cross multiply
    218,351,686.10x = 327,640,883.10 × 89,054,155.22
  4. Step 4: Simplify right side
    218,351,686.10x = 29,177,782,060,005,276
  5. Step 5: Solve for x
    x = 29,177,782,060,005,276/218,351,686.10
  6. Step 6: Final answer
    x = 133,627,463.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.